package com.browseengine.bobo.facets.range;
import org.apache.lucene.util.OpenBitSet;
import com.browseengine.bobo.facets.data.FacetDataCache;
import com.browseengine.bobo.facets.filter.FacetValueConverter;
public class ValueConverterBitSetBuilder implements BitSetBuilder {
private final FacetValueConverter facetValueConverter;
private final String[] vals;
private final boolean takeCompliment;
public ValueConverterBitSetBuilder(FacetValueConverter facetValueConverter, String[] vals,
boolean takeCompliment) {
this.facetValueConverter = facetValueConverter;
this.vals = vals;
this.takeCompliment = takeCompliment;
}
@Override
public OpenBitSet bitSet(FacetDataCache<?> dataCache) {
@SuppressWarnings("unchecked")
int[] index = facetValueConverter.convert((FacetDataCache<String>) dataCache, vals);
OpenBitSet bitset = new OpenBitSet(dataCache.valArray.size());
for (int i : index) {
bitset.fastSet(i);
}
if (takeCompliment) {
// flip the bits
for (int i = 0; i < index.length; ++i) {
bitset.fastFlip(i);
}
}
return bitset;
}
}